'speech' related articles 2

INTRODUCTIONSNC201 is a single channel voice synthesizer IC with PWM direct drive circuit. It built-in a 4-bit tiny controller with one 4-bit I/O port. By programming through the tiny controller in SNC201, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.

FEATURES*Single power supply 2.4V – 5.5V*3 seconds voice capacity are provided (@6KHZ sample rate) *Built in a 4-bit tiny controller Where P3.2, P3.3 can direct drive LED (8mA for driving, 16mA for sink)*One 4-bit I/O port is provided*32*4 bits RAM are provided*10K*10 ROM size are provided for voice data and program*Maximum 10k program ROM is provided*Readable ROM code data*Built in a high quality speech synthesizer*Adaptive playing speed from 2.5k-20kHz is provided*Built in a PWM Direct Drive circuit and a fixed current D/A output*8-level volume control for PWM Direct Drive output*System clock: 2MHz*Low Power Reset

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INTRODUCTIONSNC117 is a one-channel voice synthesizer IC with PWM direct drive circuit. It built-in a 4-bit tiny controller with one 4-bit input port, two 4-bit I/O ports. By programming through the tiny controller in SNC117, user’s varied applications including voice section combination, key trigger arrangement, output control, and other logic functions can be easily implemented.

FEATURES* Single power supply 2.4V – 5.1V* 40 seconds voice capacity are provided(@6KHZ sample rate)* Built in a 4-bit tiny controller* One 4-bit input port, two 4-bit I/O ports are provided* 64*4 bits RAM are provided* 128K*10 ROM size are provided for voice data and program* Maximum 16k program ROM is provided* Built in a high quality speech synthesizer* Adaptive playing speed from 2.5k-20kHz is provided* One voice channel* Built in a PWM Direct Drive circuit and a fixed current D/A output* System clock : 2MHz* Low Power Reset